root › Viruses › Monodnaviria › Shotokuvirae › Cossaviricota › Papovaviricetes › Zurhausenvirales › unclassified Zurhausenvirales › Papillomaviridae › Firstpapillomavirinae › Pipapillomavirus › Pipapillomavirus 2 › Mus musculus papillomavirus type 1